Submission #581031

#	Time	Username	Problem	Language	Result	Execution time	Memory
581031		AGE	Klasika (COCI20_klasika)	C++14	33 / 110	5042 ms	27920 KiB

klasika

#include<bits/stdc++.h>
#define F first
#define S second
#define int long long
#define pb push_back

using namespace std;
const int N=1e6,M=2e3,mod=1e9+7;
pair<int,pair<int,int> > a[N];
int ans[N],p[N];
vector<int>adj[N];
int mux=-1e18;
void dfs(int node,int par,int a){

    mux=max(mux,ans[node]^ans[a]);
    for(auto x:adj[node]){

        if(x==par)
            continue;


        dfs(x,node,a);

    }
}
main()
{

    int q;
    cin>>q;
    ans[1]=0;
    int num=2;
    p[1]=0;

    while(q--){

        string s;
        cin>>s;
        if(s=="Add"){

            int  x,y;
            cin>>x>>y;

            adj[x].pb(num);
            ans[num]=ans[x]^y;
            p[num]=x;
            num++;

        }

        else{

            int x,y;
            cin>>x>>y;
            mux=-1e18;
            dfs(y,p[y],x);

            cout<<mux<<endl;
        }

        /*for(int i=1;i<num;i++){
            cout<<i<<": ";
            for(auto x:adj[i])
                cout<<x<<" ";
            cout<<endl;*/

    }
    return 0;
}

Compilation message (stderr)

klasika.cpp:26:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   26 | main()
      | ^~~~

• Subtask 1: 11 / 11
• Subtask 2: 22 / 22
• Subtask 3: 0 / 33
• Subtask 4: 0 / 44